Penrhyn (Welsh Slate)

Penrhyn Capital (5.5mm) Welsh Slate Datasheet

Penrhyn Capital (5.5mm) Welsh Slate Declaration of Performance

Penrhyn County (7.0mm) Welsh Slate Datasheet

Penrhyn County (7.0mm) Welsh Slate Declaration of Performance

Penrhyn Celtic (9.0mm) Welsh Slate Datasheet

Penrhyn Celtic (9.0mm) Welsh Slate Declaration of Performance